JP6416058B2 - Outdoor power feeder - Google Patents

Description

  The present invention relates to an outdoor power supply apparatus that supplies electric power to an outdoor electrical facility.

  2. Description of the Related Art Conventionally, a power feeding device that uses non-contact power feeding using magnetic field resonance is known. For example, Patent Literature 1 discloses such a power supply apparatus. Patent Document 1 discloses a technique in which a power transmission coil is arranged on a building member such as a flooring material or a wall material, and non-contact power feeding is performed on a load such as a home appliance at an arbitrary position in an indoor space.

International Publication No. 2012/133762

  By the way, when electric power is supplied from an indoor power supply device to an electrical facility such as an outdoor lighting device, it is necessary to perform wiring work for supplying outdoor electricity. In the technology disclosed in Patent Document 1, it is assumed that electric power is supplied to an indoor electrical facility, and the power transmission coil is set between a building material located in the innermost layer of the indoor space and a building material located in the outermost layer facing the outdoors. Has been. For this reason, even if the magnetic field resonance method is used, it is not possible to supply sufficient electric power to the electrical equipment installed at a location away from the outer wall.

  An object of the present invention is to provide an outdoor power supply device that can supply power using an indoor power source without performing large-scale wiring work or the like even in an outdoor electrical facility located away from a building. To do.

  The present invention relates to a power transmitter (for example, a power transmitter 50 to be described later) having a power transmission coil (for example, a power transmission coil 51 to be described later) connected to a power source (for example, a power source 30 to be described later) indoors (for example, indoor 2 described later). ) And a building material side coil (for example, a tile 80a, a gate pillar 20 and a wall tile 280, 380, 481 described later) installed outdoors (for example, an outdoor 3 described later) and resonating with the power transmission coil ( For example, an outdoor power feeding device that includes a relay coil 91 and a power receiving coil 71), which will be described later, and performs non-contact power feeding from the power transmission coil to an outdoor electrical facility (for example, electrical facility 25 described later) through the building material side coil by magnetic field resonance. For example, the present invention relates to an outdoor power feeding device 40 described later.

  It is preferable that the building material side coil is incorporated inside the building material.

  According to the outdoor power supply apparatus of the present invention, even an outdoor electrical facility located away from a building can supply power using an indoor power source without performing a large-scale wiring work or the like.

It is a figure which shows typically the building to which the outdoor electric power feeder which concerns on one Embodiment of this invention is applied, and its external structure. It is a top view which shows typically a mode that electric power is supplied to the outdoor electrical installation from the indoor with the outdoor electric power feeder of 1st Embodiment. It is a figure which shows the relay resonator which has a relay coil embedded in the back side of a tile. It is a figure which shows the relay resonator embedded inside the gate pole with which the outdoor electric power feeder of 1st Embodiment is provided. It is a figure which shows typically the relay resonator arrange | positioned at the side surface of the gate pole with which the outdoor electric power feeder of 2nd Embodiment is provided. It is a figure which shows typically a mode that electric power is supplied to the electrical installation of a gate by the outdoor electric power feeder of 3rd Embodiment. It is a figure which shows typically a mode that electric power is supplied from the indoor to the outdoors with the outdoor electric power feeder of 4th Embodiment. It is a figure which shows typically a mode that electric power is supplied to the electrical installation of a sliding door by the outdoor electric power feeder of 5th Embodiment.

  Hereinafter, a preferred embodiment of the outdoor power supply apparatus of the present invention will be described with reference to the drawings. FIG. 1 is a diagram schematically showing a building 1 to which an outdoor power feeding device 40 according to an embodiment of the present invention is applied and its external structure.

  As shown in FIG. 1, a door 10 is provided at the entrance to the indoor 2 of the building 1. An approach 11 having a handrail 12 is formed between the gate pillar 20 installed in the outdoor 3 and the door 10. There is a difference in height between the surface on which the door 10 is installed and the surface on which the gate pillar 20 is installed, and the approach 11 has a slope portion that becomes lower as it approaches the gate pillar 20.

  A plurality of tiles 80 are provided in a part of the floor of the indoor 2 of the building 1 and the approach 11 of the outdoor 3. The slope portion of the approach 11 is aligned with the inclination of the approach 11.

  In addition to the nameplate 21, the gatepost 20 is provided with electrical equipment 25 such as an interphone 22 and an LED lighting device 23. Supply of electric power to the electric facility 25 is performed by the outdoor power feeding device 40.

  FIG. 2 is a plan view schematically showing a state in which power is supplied from the indoor 2 to the outdoor electrical equipment 25 by the outdoor power feeding device 40 of the first embodiment. As shown in FIG. 2, the outdoor power feeding device 40 of the first embodiment includes a power transmitter 50, a power receiver 70, and a plurality of relay resonators 90.

  The outdoor power supply device 40 is a facility that supplies electric power to the electrical facility 25 using magnetic field resonance. In the power transmitter 50, the power receiver 70, and the relay resonator 90, the shape of the coil, the capacity of the capacitor, and the like are set so that the resonance frequencies coincide with each other. In addition, the shape of a coil etc. may be the same and may differ, respectively.

  The power transmitter 50 is an LC resonance circuit on the power transmission side which is disposed in the indoor 2 of the building 1 and has a power transmission coil 51 connected to the power source 30. As shown in FIG. 1, the power transmitter 50 according to the present embodiment is embedded in the back side of a wall tile 62 that is affixed to the inner wall 61 of the building 1.

  The power receiver 70 is an LC resonance circuit on the power receiving side, which is disposed on the gate pole 20 and has a power receiving coil 71 connected to the electrical equipment 25. The power receiver 70 converts the high frequency generated by the magnetic field resonance into direct current by a rectifier circuit (not shown), and supplies the electric equipment 25 with electric power.

  The relay resonator 90 is disposed on a part of the plurality of tiles 80 and the gate pillar 20. Hereinafter, the tile 80 in which the relay resonator 90 is embedded is referred to as a tile 80a.

  First, the relay resonator 90 arranged on the tile 80a will be described. FIG. 3 is a diagram schematically showing a relay resonator 90 having the relay coil 91 embedded in the back side of the tile 80a.

  As shown in FIG. 3, the relay resonator 90 is an LC circuit including a relay coil 91 bent into a rectangular frame shape and a capacitor 92 connected to the relay coil 91. A frame-shaped tile groove 81 corresponding to the outer shape of the relay resonator 90 is formed on the back side of the tile 80a. The entire relay resonator 90 including the capacitor 92 is accommodated in the tile groove 81. The tile groove 81 of the present embodiment has a convex portion 82 for accommodating the portion of the capacitor 92 in the tile groove 81. The convex portion 82 is omitted and connected to the capacitor 92 and the relay coil 91. The portion to be formed may be folded and stored in a rectangular tile groove.

  In the present embodiment, the tile groove 81 is formed along the outer shape, and is formed on the end face side from the center of the tile 80a. Since the relay coil 91 is located near the end face of the tile 80a, the distance between the relay coils 91 of the relay resonator 90 built in the adjacent tile 80a is shortened, and highly efficient power transmission can be performed. It has become.

  In the present embodiment, the tile groove 81 is formed when the tile 80a is formed. The tile groove 81 is filled with a sealing material (not shown) in a state where the relay coil 91 is embedded in the tile groove 81. Thereby, the relay resonator 90 is isolated from the outside, and the waterproof performance can be further improved. Accordingly, waterproofing at the construction site is not necessary, and installation work can be made easier.

  The arrangement of the tiles 80a will be described. As shown in FIGS. 1 and 2, the tile 80 a in which the relay resonator 90 is embedded is aligned on a path connecting the power transmitter 50 and the power receiver 70. Since the shapes of the tiles 80a are the same, the distance between the relay coils 91 of the adjacent relay resonators 90 is substantially the same distance.

  By providing the relay resonator 90 on the tile 80a having the same shape continuously arranged from the indoor 2 to the outdoor 3 of the building 1, stable power supply using magnetic field resonance is realized. In the slope of approach 11, although the tile 80a is slightly inclined, the magnetic resonance method is adopted, so the angle of the installation surface of the tile 80a in which the relay coil 91 is built differs between the adjacent tiles 80a. Even power can be relayed.

  The electric power transmitted through the relay coil 91 of the tile 80a is transmitted to the relay resonator 90 disposed on the gate pole 20. FIG. 4 is a diagram illustrating the relay resonator 90 embedded in the gate pole 20 included in the outdoor power feeding device 40 of the first embodiment.

  As shown in FIG. 4, the relay resonator 90 is held inside the gate pole 20 in a state of being arranged in the vertical direction. In the present embodiment, the relay coil 91 is held inside the gate pole 20 with the axial direction of the relay coil 91 aligned in the vertical direction.

  Power is relayed from the ground-side tile 80 a to the power receiving coil 71 of the power receiver 70 located above the gate pillar 20 by the plurality of relay resonators 90 disposed on the gate pillar 20. 2 and 4, when power is supplied from the power supply 30 to the power transmitter 50, the power is sequentially relayed by the relay coil 91 that resonates with the power transmission coil 51, and the power receiving coil that resonates with the relay coil 91. Electric power is supplied in a non-contact manner up to 71 by magnetic field resonance. The electric power supplied through the relay resonator 90 of the tile 80a, the relay resonator 90 of the gate pillar 20, and the power receiver 70 is consumed by the lighting of the LED lighting device 23 of the electrical equipment 25 or the like.

  The outdoor power feeding device 40 described above has the following effects. The outdoor power supply apparatus 40 according to the first embodiment is provided in the power transmitter 50 having the power transmission coil 51 connected to the power supply 30 in the indoor 2, the tile 80 a and the gate pole 20 installed in the outdoor 3, and resonates with the power transmission coil 51. The relay coil 91 is provided, and non-contact power feeding is performed from the power transmission coil 51 to the outdoor electrical equipment 25 through the relay coil 91 and the power receiving coil 71 by magnetic field resonance.

  Thereby, since it is not necessary to route the wiring necessary for power supply from the power supply 30 in the indoor 2 to the electrical equipment 25 in the outdoor 3, the outdoor power supply apparatus 40 that can be installed by simple facility construction can be realized. Moreover, since the relay resonator 90 and the power receiver 70 may be disposed on the tile 80a or the gate pillar 20, the outdoor power feeding device 40 can be easily installed even after the building 1 and its exterior are completed. it can. Furthermore, since the magnetic resonance is used, the free movement of the tile 80a is also high, and even when the tile 80a is displaced in centimeters or there is a slope or the like in which the axial direction of the relay coil 91 is different. Power can be supplied without problems.

  The relay resonator 90 according to the first embodiment is embedded inside the tile 80 a and inside the gate pillar 20. The power receiver 70 is also incorporated inside the gate pillar 20. Thereby, even when the resonator is provided in the tile 80a and the gate pillar 20 which are building materials installed outdoors 3, since it is protected inside a building material, high waterproofness and impact resistance are realizable. In addition, since the relay resonator 90 is arranged inside the gate pillar 20, the electric equipment 25 positioned above the installation surface on which the tile 80a is arranged can be supplied without affecting the appearance of the gate pillar 20, and the design This is also advantageous from the viewpoint of sex.

  In 1st Embodiment, the tile 80a is employ | adopted as a building material which embeds the relay coil 91 as a building material side coil. Thereby, electric power can be transmitted from the indoor 2 to the outdoor 3 without interruption. Further, since the tiles 80a having the same size are used, the distance between the coils of the relay coil 91 is substantially the same, and the design for determining the power feeding path can be easily performed.

  In the first embodiment, the tiles 80a are arranged in a straight line, but the tiles 80a can be shifted and branched according to the situation of the exterior. Even in such a case, since magnetic field resonance is used, it is possible to easily design and install a power supply path without routing complicated wiring. Moreover, although the said embodiment demonstrated the structure by which the tile 80a is arrange | positioned on both sides of the door 10, even if the part corresponded to the door 10 is a wall, it is non-contact using magnetic resonance from the indoor 2 to the outdoor 3 Power can be supplied.

  Next, the outdoor power supply apparatus 240 of 2nd Embodiment is demonstrated. FIG. 5 is a diagram schematically illustrating the relay resonator 90 disposed on the side surface of the gate pole 20 provided in the outdoor power supply apparatus 240 of the second embodiment. In the following description, the same components as those in the first embodiment may be denoted by the same reference numerals and description thereof may be omitted.

  As shown in FIG. 5, a wall tile 280 is attached to the side surface of the gate pillar 20. A relay resonator 90 is embedded inside the wall tile 280. As shown in FIG. 5, the direction of the relay resonator 90 embedded in the tile 80a on the ground side is different from the direction of the relay resonator 90 embedded in the wall tile 280 on the gate post 20 side. That is, the axial direction of the relay coil 91 of the tile 80a and the axial direction of the relay coil 91 of the wall tile 280 are orthogonal to each other. Thus, even when the direction of the relay resonator 90 is greatly different, since the magnetic field resonance method is adopted, magnetic field coupling occurs between the adjacent relay resonators 90, and it is possible to relay power. .

  Next, the outdoor power feeding device 340 of the third embodiment will be described. FIG. 6 is a diagram schematically illustrating a state in which electric power is supplied to the electrical equipment 325 of the gate 320 by the outdoor power feeding device 340 of the third embodiment.

  As shown in FIG. 6, the gate 320 is attached to the vicinity of the gate pillar 20 via a rotation shaft 321 made of a hinge or the like. A plurality of wall tiles 380 are attached to the side surface of the gate pillar 20 along the rotation axis. A relay resonator 90 is embedded on the back side of each wall tile 380.

  The gate 320 is provided with a power receiver 370 and an electrical facility 325 to which the power receiver 370 is connected. The electrical equipment 325 is, for example, an electronic lock. In the present embodiment, the height of the power receiving coil 71 of the power receiver 370 is set according to the installation position of the wall tile 380 in which the relay resonator 90 is embedded.

  With the above configuration, the outdoor power feeding device 340 of the third embodiment performs non-contact power feeding via the relay coil 91 and the power receiving coil 71 to the electrical equipment 325 disposed on the gate 320. Since the outdoor power feeding device 340 uses magnetic field resonance, power can be continuously supplied even when the gate 320 is rotated by opening and closing and the position and angle of the power receiver 370 are changed.

  Next, the outdoor power feeding device 440 of the fourth embodiment will be described. FIG. 7 is a diagram schematically illustrating a state in which power is supplied from the indoor 2 to the outdoor 3 by the outdoor power feeding device 440 of the fourth embodiment.

  As shown in FIG. 7, the outdoor power feeding device 440 of the fourth embodiment includes a relay resonator 90 disposed on the indoor 2 side of the wall 410 of the building 1, and a relay resonator 90 disposed on the outdoor 3 side. , To transmit power from the indoor 2 to the outdoor 3. In the fourth embodiment, the indoor-side wall tile 480 in which the relay resonator 90 is embedded on the back side and the outdoor-side wall tile 481 in which the relay resonator 90 is embedded on the back side are arranged to face each other. The axial direction of the resonator 90 (the chain line in FIG. 7) is in agreement. Even in the outdoor power supply apparatus 440 of the fourth embodiment, magnetic field resonance is used, so that even if there is a wall 410, power can be supplied from the indoor 2 to the outdoor 3.

  Next, the outdoor power feeding device 540 of the fifth embodiment will be described. FIG. 8 is a diagram schematically illustrating a state in which electric power is supplied to the electrical equipment 525 of the sliding door 510 by the outdoor power feeding device 540 according to the fifth embodiment. The electrical equipment 525 provided in the sliding door 510 is, for example, an electronic lock.

  As shown in FIG. 8, tiles 80 a in which the relay resonators 90 are embedded on the back side are aligned and arranged along the sliding direction of the sliding door 510. The sliding door 510 is provided with an electrical facility 525 to which the relay resonator 90, the power receiver 570, and the power receiver 570 are connected. The relay coil 91 of the relay resonator 90 and the power receiving coil 71 of the power receiver 570 are closer to the tile 80a side below the center in the vertical direction of the sliding door 510 so that power can be easily received from the relay resonator 90 of the tile 80a. Placed in position.

  Although the positions of the relay coil 91 and the power receiving coil 71 change depending on the movement of the sliding door 510, the tile 80a in which the relay resonator 90 is embedded is arranged along the sliding direction of the sliding door 510. The distance between the coils of the relay coil 91 and the power receiving coil 71 and the relay coil 91 on the tile 80a side does not change so much, and it is possible to continue supplying power with high efficiency without interruption.

  In the fifth embodiment, the relay resonator 90 is arranged on the tile 80a installed on the ground. However, the relay resonator is adapted to the eaves etc. arranged above the sliding door 510 according to the sliding direction of the sliding door 510. It is good also as a structure which arranges 90 continuously. In this case, the relay coil 91 and the power receiving coil 71 provided in the sliding door 510 are preferably arranged on the eaves side above the center in the vertical direction of the sliding door 510.

  The preferred embodiments of the outdoor power supply apparatus of the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and can be appropriately changed.

  For example, the relay resonator 90 can be embedded in the tile by insert molding using a resin tile. Thereby, waterproofness can be improved, without performing a special process. Moreover, although the configuration in which one relay coil 91 is embedded in the tile 80a as a building material is illustrated, a configuration in which one building material side coil is incorporated in a plurality of tiles may be employed. For example, one construction material side coil may be provided across four tiles. Moreover, not only a tile and a gate pillar but a building material side coil can be provided in appropriate building materials, such as a fence used for an exterior.

  In the above embodiment, an example in which the building material side coil is bent into a rectangular frame shape has been described. However, the shape of the coil is not limited to this example, and the shape of the coil is appropriately changed according to circumstances, such as a circle, a rectangle, or a shape having a plurality of bent portions. can do.

  The tile material used in the above embodiment may be a ferrite material. In the case of a ferrite material, since the magnetic flux is concentrated on the material, the amount of noise radiated to the outside is reduced.

20 Gate pillar (building material)
25 Electric equipment 30 Power supply 40 Outdoor power supply device 50 Power transmitter 51 Power transmission coil 71 Power reception coil 80a Tile (building material)
91 Relay coil 280, 380, 481 Wall tile (building material)

Claims (2)

A power transmitter having a power transmission coil connected to an indoor power source;
A building material side coil that is incorporated inside a tile installed outdoors and resonates with the power transmission coil, and
An outdoor power feeding device that performs non-contact power feeding to an outdoor electrical facility through the building material side coil disposed on each of the plurality of tiles from the power transmission coil by magnetic field resonance. The shape of the said some tile is the same, The outdoor electric power feeder of Claim 1 arrange | positioned continuously .

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